1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (C) 2015-2017 Cyril Hrubis <chrubis@suse.cz> 4f08c3bdfSopenharmony_ci */ 5f08c3bdfSopenharmony_ci 6f08c3bdfSopenharmony_ci/* 7f08c3bdfSopenharmony_ci * Check that poll() timeouts correctly. 8f08c3bdfSopenharmony_ci */ 9f08c3bdfSopenharmony_ci#include <errno.h> 10f08c3bdfSopenharmony_ci#include <fcntl.h> 11f08c3bdfSopenharmony_ci#include <sys/wait.h> 12f08c3bdfSopenharmony_ci#include <sys/poll.h> 13f08c3bdfSopenharmony_ci 14f08c3bdfSopenharmony_ci#include "tst_timer_test.h" 15f08c3bdfSopenharmony_ci 16f08c3bdfSopenharmony_cistatic int fds[2]; 17f08c3bdfSopenharmony_ci 18f08c3bdfSopenharmony_ciint sample_fn(int clk_id, long long usec) 19f08c3bdfSopenharmony_ci{ 20f08c3bdfSopenharmony_ci unsigned int sleep_ms = usec / 1000; 21f08c3bdfSopenharmony_ci 22f08c3bdfSopenharmony_ci struct pollfd pfds[] = { 23f08c3bdfSopenharmony_ci {.fd = fds[0], .events = POLLIN} 24f08c3bdfSopenharmony_ci }; 25f08c3bdfSopenharmony_ci 26f08c3bdfSopenharmony_ci tst_timer_start(clk_id); 27f08c3bdfSopenharmony_ci TEST(poll(pfds, 1, sleep_ms)); 28f08c3bdfSopenharmony_ci tst_timer_stop(); 29f08c3bdfSopenharmony_ci tst_timer_sample(); 30f08c3bdfSopenharmony_ci 31f08c3bdfSopenharmony_ci if (TST_RET != 0) { 32f08c3bdfSopenharmony_ci tst_res(TFAIL | TTERRNO, "poll() returned %li", TST_RET); 33f08c3bdfSopenharmony_ci return 1; 34f08c3bdfSopenharmony_ci } 35f08c3bdfSopenharmony_ci 36f08c3bdfSopenharmony_ci return 0; 37f08c3bdfSopenharmony_ci} 38f08c3bdfSopenharmony_ci 39f08c3bdfSopenharmony_cistatic void setup(void) 40f08c3bdfSopenharmony_ci{ 41f08c3bdfSopenharmony_ci SAFE_PIPE(fds); 42f08c3bdfSopenharmony_ci} 43f08c3bdfSopenharmony_ci 44f08c3bdfSopenharmony_cistatic void cleanup(void) 45f08c3bdfSopenharmony_ci{ 46f08c3bdfSopenharmony_ci if (fds[0] > 0) 47f08c3bdfSopenharmony_ci SAFE_CLOSE(fds[0]); 48f08c3bdfSopenharmony_ci 49f08c3bdfSopenharmony_ci if (fds[1] > 0) 50f08c3bdfSopenharmony_ci SAFE_CLOSE(fds[1]); 51f08c3bdfSopenharmony_ci} 52f08c3bdfSopenharmony_ci 53f08c3bdfSopenharmony_cistatic struct tst_test test = { 54f08c3bdfSopenharmony_ci .scall = "poll()", 55f08c3bdfSopenharmony_ci .sample = sample_fn, 56f08c3bdfSopenharmony_ci .setup = setup, 57f08c3bdfSopenharmony_ci .cleanup = cleanup, 58f08c3bdfSopenharmony_ci}; 59